fix EnvironmentNotInitialized error (#214)

this missing retryOptions somehow caused the following crash on discord canary: ``` thread '<unnamed>' panicked at B:\b\discord_common\rust\napi\src\class.rs:139:37: called `Result::unwrap()` on an `Err` value: EnvironmentNotInitialized ``` The default option for it is false, as per: OpenAsar/discord-desktop-datamining@1552624...canary

Author: ioj4

src/splash/index.js

@@ -123,7 +123,8 @@ const initNew = async (inst) => {
  skip_module_delta: {},
  skip_all_module_delta: false,
  skip_windows_arch_update: false,
- optin_windows_transition_progression: false
+ optin_windows_transition_progression: false,
+ allow_optional_updates: false
  };
 
  while (true) {